
Gegenstand der Erfindung sind Zusammensetzungen enthaltend Polyglycerinester und langkettig hydroxy-alkylmodifiziertes Guar.The invention relates to compositions containing polyglycerol esters and long-chain hydroxy-alkyl-modified guar.
Überraschenderweise wurde gefunden, dass die im Folgenden beschriebenen Zusammensetzungen die der Erfindung gestellte Aufgabe zu lösen vermögen.Surprisingly, it was found that the compositions described below are able to achieve the object of the invention.
Gegenstand der vorliegenden Erfindung sind daher Zusammensetzungen enthaltend bestimmte Polyglycerinester und hydroxy-alkylmodifiziertes Guar.The present invention therefore relates to compositions comprising certain polyglycerol esters and hydroxyalkyl-modified guar.
Ein Vorteil der vorliegenden Erfindung besteht darin, dass der in den erfindungsgemäßen Zusammensetzungen enthaltene Polyglycerinester vollkommen auf nachwachsenden Rohstoffen basiert.An advantage of the present invention is that the polyglycerol ester contained in the compositions according to the invention is based entirely on renewable raw materials.
Noch ein Vorteil der vorliegenden Erfindung ist es, dass die erfindungsgemäße Zusammensetzung sich zur Formulierung von O/W Emulsionen (Cremes, Lotionen) mit hervorragender Lagerstabilität eignet.Another advantage of the present invention is that the composition according to the invention is suitable for the formulation of O / W emulsions (creams, lotions) with excellent storage stability.
Ein weiterer Vorteil der vorliegenden Erfindung ist es, dass die erfindungsgemäße Zusammensetzung sich zur Formulierung PEG-freier Emulsionen, insbesondere dünnflüssiger PEG-freier Emulsionen eignet.Another advantage of the present invention is that the composition according to the invention is suitable for the formulation of PEG-free emulsions, in particular low-viscosity PEG-free emulsions.
Ein weiterer Vorteil der vorliegenden Erfindung ist es, dass die erfindungsgemäße Zusammensetzung sich zur Formulierung PEG-freier AP/Deo oder Deo-Emulsionen, insbesondere Roll-on-Emulsionen eignet.Another advantage of the present invention is that the composition according to the invention is suitable for the formulation of PEG-free AP / deodorant or deodorant emulsions, in particular roll-on emulsions.
Ein weiterer Vorteil der vorliegenden Erfindung ist es, dass die erfindungsgemäße Zusammensetzung sich zur Formulierung von Emulsionen eignet, welche eine Fließgrenze aufweisen.Another advantage of the present invention is that the composition according to the invention is suitable for the formulation of emulsions which have a yield point.
Emulsionen und Formulierungen enthaltend solchen Emulgator auf Basis der erfindungsgemäßen Zusammensetzung weisen überdies ein gutes Hautgefühl auf. Vorteilhafterweise benötigen Emulsionen und Formulierungen enthaltend die erfindungsgemäße Zusammensetzung keine parabenhaltigen Konservierungsmittel. Ein weiterer Vorteil der vorliegenden Erfindung ist es, dass die erfindungsgemäße Zusammensetzung sich zur Formulierung von Emulsionen ohne polyacrylat-basierte Verdicker eignet.Emulsions and formulations containing such an emulsifier based on the composition according to the invention also have a good feeling on the skin. Emulsions and formulations containing the composition according to the invention advantageously do not require any preservatives containing parabens. A further advantage of the present invention is that the composition according to the invention is suitable for the formulation of emulsions without polyacrylate-based thickeners.
Ein weiterer Vorteil der vorliegenden Erfindung ist es, dass die erfindungsgemäße Zusammensetzung aufgrund ihrer Konsistenz gut handhabbar ist.Another advantage of the present invention is that the composition according to the invention is easy to handle due to its consistency.
Ein weiterer Vorteil der vorliegenden Erfindung ist es, dass die erfindungsgemäße Zusammensetzung in Formulierungen ein leichtes Hautgefühl erzeugt.Another advantage of the present invention is that the composition according to the invention produces a light skin feeling in formulations.
Ein weiterer Vorteil der vorliegenden Erfindung ist es, dass die Verwendung der erfindungsgemäßen Zusammensetzung den Formulierungen feuchtigkeitsspendende Eigenschaften verleiht.Another advantage of the present invention is that the use of the composition according to the invention imparts moisturizing properties to the formulations.
Beansprucht wird daher eine Zusammensetzung enthaltend
Unter dem Begriff "Polyglycerin" im Sinne der vorliegenden Erfindung ist ein Polyglycerin zu verstehen, welches Glycerin enthält. Somit ist zur Berechnung von Mengen, Massen und dergleichen der Glycerinanteil mit zu berücksichtigen. Polyglycerine im Sinne der vorliegenden Erfindung sind somit Mischungen von Glycerin mit mindestens einem Glycerin-Oligomer. Unter Glycerin-Oligomeren sind jeweils alle entsprechenden Strukturen, z.B. also lineare und zyklische Verbindungen zu verstehen.The term “polyglycerin” in the context of the present invention is to be understood as meaning a polyglycerin which contains glycerin. Thus, the glycerol content must also be taken into account when calculating amounts, masses and the like. For the purposes of the present invention, polyglycerols are therefore mixtures of glycerol with at least one glycerol oligomer. Glycerol oligomers include all corresponding structures, e.g. to understand linear and cyclic connections.
Analoges gilt für den Begriff "Polyglycerinester" im Zusammenhang mit der vorliegenden Erfindung.The same applies to the term "polyglycerol ester" in connection with the present invention.
Das angegebene Zahlenmittel der Säurereste bezieht sich bei mehr als einer der Carbonsäure a), b) oder c) jeweils auf die akkumulierte Summe aller Carbonsäuren a), b) oder c).In the case of more than one of the carboxylic acids a), b) or c), the number average of the acid residues relates in each case to the accumulated sum of all carboxylic acids a), b) or c).
Der mittlere Polymerisationsgrad des PolyglycerinsN wird über dessen Hydroxylzahl OHV, in mg KOH/g) gemäß folgender Formel berechnet:
Geeignete Bestimmungsmethoden zur Ermittlung der Hydroxylzahl sind insbesondere solche gemäß DGF C-V 17 a (53), Ph. Eur. 2.5.3 Method A und DIN 53240.Suitable determination methods for determining the hydroxyl number are in particular those according to DGF C-V 17 a (53), Ph. Eur. 2.5.3 Method A and DIN 53240.
Alle angegebenen Prozent (%) sind, wenn nicht anders angegeben, Massenprozent.Unless stated otherwise, all percentages (%) are percentages by mass.
Es werden erfindungsgemäß Zusammensetzungen bevorzugt, bei denen das nachvollständiger Hydrolyse des Polyglycerinesters freigesetzte Polyglycerin ein Massenverhältnis von Glycerin zu Diglycerin von größer 1, bevorzugt größer 1,2, besonders bevorzugt größer 1,4 aufweist.Compositions according to the invention are preferred in which the complete hydrolysis of the polyglycerol ester released polyglycerol has a mass ratio of glycerol to diglycerol of greater than 1, preferably greater than 1.2, particularly preferably greater than 1.4.
Es werden erfindungsgemäß Zusammensetzungen besonders bevorzugt, bei denen das nach vollständiger Hydrolyse des Polyglycerinesters freigesetzte Polyglycerin 5 Gew.-% bis 30 Gew.-%, bevorzugt 7 Gew.-% bis 25 Gew.-%, besonders bevorzugt
10 Gew.-% bis 22 Gew.-%, mono-Glycerin,
1 Gew.-% bis 25 Gew.-%, bevorzugt 3 Gew.-% bis 18 Gew.-%, besonders bevorzugt 5 Gew.-% bis 15 Gew.-%, Diglycerine,
1 Gew.-% bis 25 Gew.-%, bevorzugt 1 Gew.-% bis 20 Gew.-%, besonders bevorzugt 3 Gew.-% bis 17 Gew.-%, Triglycerine und
1 Gew.-% bis 20 Gew.-%, bevorzugt 2 Gew.-% bis 15 Gew.-%, besonders bevorzugt 4 Gew.-% bis 10 Gew.-%, Tetraglycerine
enthält, wobei sich die Gewichtsprozente auf das gesamte Polyglycerin beziehen.Compositions are particularly preferred according to the invention in which the polyglycerol released after complete hydrolysis of the polyglycerol ester is particularly preferably 5% by weight to 30% by weight, preferably 7% by weight to 25% by weight
10% by weight to 22% by weight, mono-glycerol,
1% by weight to 25% by weight, preferably 3% by weight to 18% by weight, particularly preferably 5% by weight to 15% by weight, diglycerols,
1% by weight to 25% by weight, preferably 1% by weight to 20% by weight, particularly preferably 3% by weight to 17% by weight, triglycerols and
1% by weight to 20% by weight, preferably 2% by weight to 15% by weight, particularly preferably 4% by weight to 10% by weight, tetraglycerols
contains, the weight percentages refer to the total polyglycerol.
In diesem Zusammenhang weist das freigesetzte Polyglycerin bevorzugt
≥70 Gew.-%, bevorzugt ≥75 Gew.-%, besonders bevorzugt ≥80 Gew.-%, Polyglycerine mit einem Polymerisationsgrad von ≥2,
≥60 Gew.-%, bevorzugt ≥65 Gew.-%, besonders bevorzugt ≥70 Gew.-%, Polyglycerine mit einem Polymerisationsgrad von ≥3,
≥50 Gew.-%, bevorzugt ≥55 Gew.-%, besonders bevorzugt ≥60 Gew.-%, Polyglycerine mit einem Polymerisationsgrad von ≥4 und
≥40 Gew.-%, bevorzugt ≥45 Gew.-%, besonders bevorzugt ≥50 Gew.-%, Polyglycerine mit einem Polymerisationsgrad von ≥5
auf, wobei sich die Gewichtsprozent auf das gesamte Polyglycerin beziehen.In this connection, the released polyglycerol is preferred
≥70% by weight, preferably ≥75% by weight, particularly preferably ≥80% by weight, polyglycerols with a degree of polymerization of ≥2,
≥60% by weight, preferably ≥65% by weight, particularly preferably ≥70% by weight, polyglycerols with a degree of polymerization of ≥3,
≥50% by weight, preferably ≥55% by weight, particularly preferably ≥60% by weight, polyglycerols with a degree of polymerization of ≥4 and
≥40% by weight, preferably ≥45% by weight, particularly preferably ≥50% by weight, polyglycerols with a degree of polymerization of ≥5
on, the weight percent based on the total polyglycerol.
Der Massenanteil von Glycerin, Diglycerin, Triglycerin, Tetraglycerin sowie der Fettsäuren lässt sich im Rahmen der vorliegenden Erfindung durch zwei GC-Methoden bestimmen; diese Methoden beinhalten die alkalische Hydrolyse des erfindungsgemäßen Polyglycerinesters, Trennung des Polyglycerins von den freigesetzten Säuren und Analyse der Fettsäuren sowie der Glycerin-Oligomere (lineare und zyklische).The mass fraction of glycerin, diglycerin, triglycerin, tetraglycerin and the fatty acids can be determined in the context of the present invention by two GC methods; these methods include the alkaline hydrolysis of the polyglycerol ester according to the invention, separation of the polyglycerol from the released acids and analysis of the fatty acids and of the glycerol oligomers (linear and cyclic).
Hierzu werden 0,5 g des erfindungsgemäßen Polyglycerinesters in 25 ml einer ethanolischen 0,5 M KOH Lösung unter Rückfluss für 4 Stunden gekocht. Dann werden 10 ml Wasser zugegeben und der pH mit Schwefelsäure auf pH 2-3 eingestellt. Die entstandenen Carbonsäuren werden durch dreimalige Extraktion mit jeweils einem Volumen (20 ml) Petrolether abgetrennt.For this purpose, 0.5 g of the polyglycerol ester according to the invention is boiled in 25 ml of an ethanolic 0.5 M KOH solution under reflux for 4 hours. Then 10 ml of water are added and the pH is adjusted to pH 2-3 with sulfuric acid. The carboxylic acids formed are separated off by extraction three times, each with a volume (20 ml) of petroleum ether.
Die vereinigten Extrakte werden durch Evaporation auf ca. 1 ml eingeengt. Geeignete Bestimmungsmethoden zur Ermittlung der Fettsäureverteilung sind insbesondere solche gemäß DGF C VI 11a, DGF C-VI 10 a und GAT - Ringtest 7/99. Ein 0,5 ml Aliquot des wie oben beschriebenen erhaltenen Petroletherextraktes wird in einem Gefäß mit 1 ml einer Mischung von Acetylchlorid: Methanol (1:4) unter Ausschluss von Luftfeuchtigkeit 30 min in der Siedehitze behandelt. Die entstehenden Fettsäuremethylester werden 2 mal mit jeweils 5 ml iso-Octan extrahiert und mittels GC analysiert. Dieses wird in einem Gaschromatograph, welcher mit einem split/splitless Injektor, einer Kapillarsäule und einem Flammenionisationdetektor ausgestattet ist, unter folgenden Bedingungen durchgeführt:
Die Carbonsäuren werden als ihre Methylester nach ihrer Kohlenstoffkettenlänge getrennt und ihr Massenanteil nach einer Methode des internen Standards bestimmt. Hierzu wird das GC System durch Vermessen von Fettsäuremethylester-Mischungen der zu untersuchenden Fettsäuren mit bekannter Zusammensetzung kalibriert. Mit diesem Verfahren wird die Gesamtmasse und die Massenanteile an Carbonsäure(n) erhalten, die über die Verwendung der jeweiligen Molekulargewichte eine Bestimmung der Stoffemenge(n) erlaubt. Aus der Gesamtmasse an Carbonsäure(n) lässt sich außerdem durch Subtraktion die z.B. in 0.5 g Polyglycerinester enthaltene Masse an Polyglycerin bestimmen.
Mittels des Molekulargewichts des Polyglycerins lässt sich daraus die Stoffmenge des Polyglycerins bestimmen.
The amount of substance of the polyglycerol can be determined therefrom by means of the molecular weight of the polyglycerol.
Zusammen lassen sich aus diesen Werten die Molverhältnisse von Polyglycerin zu Carbonsäuren bestimmen.Together, the molar ratios of polyglycerol to carboxylic acids can be determined from these values.
Analyse von Glycerin, Diglycerinen, Triglycerinen und Tetraglycerinen:
Der mit Petrolether extrahierte Rückstand wird mit Bariumhydroxid auf pH 7 bis 8 eingestellt. Das ausgefallene Bariumsulfat wird durch Zentrifugation abgetrennt.
Der Überstand wird abgenommen und der Rückstand wird dreimal mit 20 ml Ethanol extrahiert.
Die vereinigten Überstände werden für 30 min bei 80 °C und 50 mbar eingeengt und getrocknet.Analysis of glycerol, diglycerols, triglycerols and tetraglycerols:
The residue extracted with petroleum ether is adjusted to pH 7 to 8 with barium hydroxide. The precipitated barium sulfate is separated off by centrifugation.
The supernatant is removed and the residue is extracted three times with 20 ml of ethanol.
The combined supernatants are concentrated at 80 ° C. and 50 mbar for 30 min and dried.
Für die Analyse von Glycerin, Diglycerinen, Triglycerinen und Tetraglycerinen mittels GC wird der Rückstand in 2 ml Pyridin:Chloroform (4:1) gelöst. 0,5 ml dieser Lösung werden mit 1 ml MSTFA [N-Methyl-N-(trimethylsilyl) trifluoroacetamide] versetzt. Die Alkohole werden durch Reaktion bei 80°C (30 Minuten) quantitativ in ihre Trimethylsilyether überführt und anschließend mittels GC/FID untersucht.
Dieses wird in einem Gaschromatograph, welcher mit einem split/splitless Injektor, einer Kapillarsäule und einem Flammenionisationdetektor ausgestattet ist, unter folgenden Bedingungen durchgeführt:
This is carried out in a gas chromatograph equipped with a split / splitless injector, a capillary column and a flame ionization detector under the following conditions:
Glycerin, Diglycerine, Triglycerine und Tetraglycerine werden aufgetrennt und ihr Massenanteil nach einer Methode des internen Standards bestimmt. Hierzu wird das GC System durch Vermessen von Mischungen der zu untersuchenden Glycerine und des internen Standards mit bekannter Zusammensetzung kalibriert.
Aus den Massenanteilen lässt sich das Massenverhältnis von Glycerin zu Diglycerin bestimmen sowie durch Subtraktion von 100% auch der Gehalt an Polyglycerinen mit einem Polymerisationsgrad von 2 und größer (100% minus Massenanteil des Glycerins), der Gehalt an Polyglycerinen mit einem Polymerisationsgrad von 3 und größer (100% minus Massenanteile des Glycerins und der Diglycerine), der Gehalt an Polyglycerinen mit einem Polymerisationsgrad von 4 und größer (100% minus Massenanteile des Glycerins, der Diglycerine und der Triglycerine) und der Gehalt an Polyglycerinen mit einem Polymerisationsgrad von 5 und größer (100% minus Massenanteile des Glycerins, der Diglycerine, der Triglycerine und der Tetraglycerine). Sollte in einem betrachteten Polyglycerin keine nachweisbare Menge an Diglycerin, jedoch Glycerin enthalten sein, so entspricht dies einem Massenverhältnis von Glycerin zu Diglycerin größer 1,4.Glycerol, diglycerols, triglycerols and tetraglycerols are separated and their mass fraction determined according to an internal standard method. For this purpose, the GC system is calibrated by measuring mixtures of the glycerols to be examined and the internal standard with a known composition.
From the mass fractions, the mass ratio of glycerin to diglycerol can be determined, and by subtracting 100%, the content of polyglycerols with a degree of polymerization of 2 and greater (100% minus mass fraction of glycerol), the content of polyglycerols with a degree of polymerization of 3 and greater (100% minus mass fractions of glycerin and diglycerols), the content of polyglycerols with a degree of polymerization of 4 and greater (100% minus mass fractions of glycerin, diglycerols and triglycerols) and the content of polyglycerols with a degree of polymerization of 5 and greater ( 100% minus mass fractions of glycerol, diglycerols, triglycerols and tetraglycerols). If there is no detectable amount of diglycerin in a polyglycerol under consideration, but glycerol is present, this corresponds to a mass ratio of glycerol to diglycerol greater than 1.4.
Eine erfindungsgemäß bevorzugte Zusammensetzung ist dadurch gekennzeichnet, dass der Polyglycerinester nach seiner vollständiger Hydrolyse im Mittel (Zahlenmittel) pro Mol Polyglycerinester
von 0,01 bis 0,07 Mol, bevorzugt von 0,01 bis 0,50 Mol, besonders bevorzugt von 0,01 bis 0,30 Mol, mindestens einer Carbonsäure a)
von 0,10 bis 1,70 Mol, bevorzugt von 0,30 bis 1,50 Mol, besonders bevorzugt von 0,40 bis 1,40 Mol, mindestens einer Carbonsäure b)
von 0,01 bis 0,80 Mol, bevorzugt von 0,01 bis 0,60 Mol, besonders bevorzugt von 0,05 bis 0,40 Mol, mindestens einer Carbonsäure c)
freisetzt.
Insbesondere ist sie dadurch gekennzeichnet, dass das Molverhältnis der nach vollständiger Hydrolyse des Polyglycerinesters erhaltenen Carbonsäure a) zu Carbonsäure b) zu Carbonsäure c)
0,6 bis 1,4 : 16,5 bis 20,5 : 3,0 bis 4,8, bevorzugt
0,8 bis 1,2 : 17,5 bis 19,5 : 3,5 bis 4,3, besonders bevorzugt
0,9 bis 1,1 : 18,0 bis 19,0 : 3,7 bis 4,1, beträgt.
Zur Bestimmung der Molverhältnisse lässt sich als Methode die oben beschriebene Methode einsetzen.
Es ist erfindungsgemäß bevorzugt, dass die Carbonsäuren a), b) und c) ausgewählt ist aus Fettsäuren, solche sind insbesondere ausgewählt aus linearen, gesättigten, unsubstituierten Carbonsäuren.
Insbesondere sind erfindungsgemäß Zusammensetzungen bevorzugt, die dadurch gekennzeichnet sind, dass die Carbonsäure a) ausgewählt ist aus Caprylsäure und Caprinsäure, die Carbonsäure b) ausgewählt ist aus Stearinsäure und Palmitinsäure und die Carbonsäure c) Behensäure ist.A composition preferred according to the invention is characterized in that after its complete hydrolysis, the polyglycerol ester averages (number average) per mole of polyglycerol ester
from 0.01 to 0.07 mol, preferably from 0.01 to 0.50 mol, particularly preferably from 0.01 to 0.30 mol, of at least one carboxylic acid a)
from 0.10 to 1.70 mol, preferably from 0.30 to 1.50 mol, particularly preferably from 0.40 to 1.40 mol, of at least one carboxylic acid b)
from 0.01 to 0.80 mol, preferably from 0.01 to 0.60 mol, particularly preferably from 0.05 to 0.40 mol, of at least one carboxylic acid c)
releases.
In particular, it is characterized in that the molar ratio of the carboxylic acid a) to carboxylic acid b) to carboxylic acid c) obtained after complete hydrolysis of the polyglycerol ester
0.6 to 1.4: 16.5 to 20.5: 3.0 to 4.8, preferred
0.8 to 1.2: 17.5 to 19.5: 3.5 to 4.3, particularly preferred
0.9 to 1.1: 18.0 to 19.0: 3.7 to 4.1.
The method described above can be used as a method to determine the molar ratios.
It is preferred according to the invention that the carboxylic acids a), b) and c) are selected from fatty acids; those are in particular selected from linear, saturated, unsubstituted carboxylic acids.
In particular, compositions according to the invention are preferred which are characterized in that the carboxylic acid a) is selected from caprylic acid and capric acid, the carboxylic acid b) is selected from stearic acid and palmitic acid and the carboxylic acid c) is behenic acid.
Hydroxy-alkylmodifiziertes Guar ist vielfach beschrieben und beispielsweise als Esaflor HM 22 kommerziell erhältlich. Guar ist ein Galaktomannan, in welches langekttige Hydroxy-Alkylmodifikationen einfach durch Umsetzung mit Epoxyalkanen eingefügt werden können.
Erfindungsgemäß bevorzugte Zusammensetzungen enthalten hydroxy-alkylmodifziertes Guar, welches mit Alkylgruppen mit 16 bis 24, bevorzugt 18 bis 22, Kohlenstoffatomen modifiziert ist.
Es ist erfindungsgemäß bevorzugt, dass das hydroxy-alkylmodifzierte Guar zusätzlich hydroxypropyl modifiziert, ist. Ein erfindungsgemäß besonders bevorzugt enthaltenes Guar ist der nach INCI benannte Stoff C18-C22 Hydroxyalkyl Hydroxypropyl Guar. Hydroxy-alkylmodifiziertes Guar und solches, welches zusätzlich hydroxypropyl modifiziert ist, sowie Verfahren zur Herstellung dieser Verbindungen sind beispielsweise in der
Compositions preferred according to the invention contain hydroxy-alkyl-modified guar which is modified with alkyl groups having 16 to 24, preferably 18 to 22, carbon atoms.
It is preferred according to the invention that the hydroxy-alkyl-modified guar is additionally hydroxypropyl-modified. A guar which is particularly preferably contained according to the invention is the substance C18-C22 hydroxyalkyl hydroxypropyl guar named after INCI. Hydroxy-alkyl-modified guar and those which are additionally hydroxypropyl-modified, and processes for the preparation of these compounds are, for example, in US Pat
Die erfindungsgemäßen Zusammensetzungen sind hervorragend zur Formulierung von Deo oder AP-Deo-Zusammensetzungen (AP=Antiperspirant) geeignet, daher enthalten sie bevorzugt zusätzlich C) mindestens einen ausgewählt aus Deo-Wirkstoff und AP-Wirkstoff, insbesondere mindestens einen Deo-Wirkstoff und mindestens einen AP-Wirkstoff.The compositions according to the invention are outstandingly suitable for the formulation of deodorant or AP deodorant compositions (AP = antiperspirant), therefore they preferably additionally contain C) at least one selected from deodorant active ingredient and AP active ingredient, in particular at least one deodorant active ingredient and at least one AP agent.
Es ist erfindungsgemäß bevorzugt, dass der AP-Wirkstoff ausgewählt ist aus der Gruppe umfassen, bevorzugt bestehend aus, Aluminium-Salzen und Zirkonium-Salzen. Es sind insbesondere erfindungsgemäße Zusammensetzungen bevorzugt, die dadurch gekennzeichnet sind, dass das Aluminium-Salz ausgewählt ist aus der Gruppe umfassend, bevorzugt bestehend aus:
Aluminum Acetate, Aluminum Behenate, Aluminum Benzoate, Aluminum Bromohydrate, Aluminum Butoxide, Aluminum Calcium Sodium Silicate, Aluminum Caprylate, Aluminum Capryloyl Hydrolyzed Collagen, Aluminum Chloride, Aluminiumchlorohydrat, Aluminum Chlorohydrex, Aluminum Chlorohydrex PEG, Aluminum Chlorohydrex PG, Aluminum Citrate, Aluminum Diacetate, Aluminum Dibenzoate/Stearate Hydroxide, Aluminum Dicetyl Phosphate, Aluminum Dichlorohydrate, Aluminum Dichlorohydrex PEG, Aluminum Dichlorohydrex PG, Aluminum Dilinoleate, Aluminum Dimyristate, Aluminum Distearate, Aluminum Glycinate, Aluminum Hydrogenated Tallow Glutamate, Aluminum Hydroxy Bis-Methylene Bis-Di-t-Butylphenyl Phosphate, Aluminum Iron Calcium Magnesium Germanium Silicates, Aluminum Iron Calcium Magnesium Zirconium Silicates, Aluminum Iron Silicates, Aluminum Isopropoxide, Aluminum Isostearate, Aluminum Isostearates/Laurates/Palmitates, Aluminum Isostearates/Laurates/Stearates, Aluminum Isostearates/Myristates, Aluminum Isostearates/Palmitates, Aluminum Isostearates/Stearates, Aluminum Isostearyl Glyceryl Phosphate, Aluminum Laccate, Aluminum Lactate, Aluminum Lanolate, Aluminum/Magnesium Hydroxide Stearate, Aluminum Magnesium Oxide, Aluminum Methionate, Aluminum Myristate, Aluminum Myristates/Palmitates, Aluminum PCA, Aluminum Phenolsulfonate, Aluminum Sesquichlorohydrate, Aluminum Sesquichlorohydrex PEG, Aluminum Sesquichlorohydrex PG, Aluminum Starch Octenylsuccinate, Aluminum Stearate, Aluminum Stearates, Aluminum Stearoyl Glutamate, Aluminum Sucrose Octasulfate, Aluminum Sulfate, Aluminum Triformate, Aluminum Triphosphate, Aluminum Tristearate, Aluminum Undecylenoyl Collagen Amino Acids, Aluminum Zinc Oxide, Aluminum Zirconium Trichlorohydrate, Aluminum Zirconium Trichlorohydrex GLY, Aluminum Zirconium Tetrachlorohydrate, Aluminium Zirconium Tetrachlorohydrex GLY, Aluminum Zirconium Tetrachlorohydrex PEG, Aluminum Zirconium Tetrachlorohydrex PG, Aluminium Zirconium Pentachlorohydrat, Aluminum Zirconium Pentachlorohydrex GLY, Aluminum Zirconium Octachlorohydrate, Aluminum Zirconium Octachlorohydrex GLY, Ammonium Alum, Ammonium Silver Zinc Aluminum Silicate, Calcium Aluminum Borosilicate, Cobalt Aluminum Oxide, Magnesium/Aluminum/Hydroxide/Carbonate, Magnesium Aluminum Silicate, Magnesium/Aluminum/Zinc/Hydroxide/Carbonate, Potassium Alum, Potassium Aluminum Polyacrylate, Silver Magnesium Aluminum Phosphate, Sodium Alum, Sodium Aluminate, Sodium Aluminum Chlorohydroxy Lactate, Sodium/Aluminum Hydroxide/Oxalate/Sulfate, Sodium/Aluminum/Iron Hydroxide/Oxalate/Sulfate, Sodium/Aluminum/Iron/Sulfate/Citrate/Hydroxide, Sodium/Aluminum/Iron/Sulfate/Oxalate/Hydroxide,
Sodium/Aluminum/Iron/Sulfate/Tartarate/Hydroxide, Sodium Aluminum Lactate, Sodium Phosphorus/Zinc/Calcium/Silicon/Aluminum/Silver Oxides, Sodium Potassium Aluminum Silicate, Sodium Silicoaluminate, Sodium Silver Aluminum Silicate, Tromethamine Magnesium Aluminum Silicate und Alaun, insbesondere Aluminiumchlorohydrat.
Unter dem Begriff "Aluminiumchlorohydrat" werden im Zusammenhang mit der vorliegenden Erfindung die Salze der allgemeinen Summenformel AlnCl(3n-m)(OH)m, insbesondere Al2Cl(OH)5, verstanden.
Geeignete Zirkonium-Salze sind ausgewählt aus den in
Aluminum Acetate, Aluminum Behenate, Aluminum Benzoate, Aluminum Bromohydrate, Aluminum Butoxide, Aluminum Calcium Sodium Silicate, Aluminum Caprylate, Aluminum Capryloyl Hydrolyzed Collagen, Aluminum Chloride, Aluminum Chlorohydrate, Aluminum Chlorohydrex, Aluminum Chlorohydrex PEG, Aluminum Chlorohydrex PG, Aluminum Citrate, Aluminum Diacetate, Aluminum Dibenzoate / Stearate Hydroxide, Aluminum Dicetyl Phosphate, Aluminum Dichlorohydrate, Aluminum Dichlorohydrex PEG, Aluminum Dichlorohydrex PG, Aluminum Dilinoleate, Aluminum Dimyristate, Aluminum Distearate, Aluminum Glycinate, Aluminum Hydrogenated Tallow Glutamate, Aluminum Hydroxy Bis-Methylene Bis-Di-t-Butylphenyl Phosphate, Aluminum Iron Calcium Magnesium Germanium Silicates, Aluminum Iron Calcium Magnesium Zirconium Silicates, Aluminum Iron Silicates, Aluminum Isopropoxide, Aluminum Isostearate, Aluminum Isostearates / Laurates / Palmitates, Aluminum Isostearates / Laurates / Stearates, Aluminum Isostearates / Myristates, Aluminum Isosteara tes / Palmitates, Aluminum Isostearates / Stearates, Aluminum Isostearyl Glyceryl Phosphate, Aluminum Laccate, Aluminum Lactate, Aluminum Lanolate, Aluminum / Magnesium Hydroxide Stearate, Aluminum Magnesium Oxide, Aluminum Methionate, Aluminum Myristate, Aluminum Myristates / Palmitates, Aluminum PCA, Aluminum Phenolsulfonate, Aluminum Sesquichlorohydrate, Aluminum Sesquichlorohydrex PEG, Aluminum Sesquichlorohydrex PG, Aluminum Starch Octenylsuccinate, Aluminum Stearate, Aluminum Stearates, Aluminum Stearoyl Glutamate, Aluminum Sucrose Octasulfate, Aluminum Sulfate, Aluminum Triformate, Aluminum Triphosphate, Aluminum Tristearids, Aluminum Zinc Oxide Acid, Aluminum Zinc Oxide Acid , Aluminum Zirconium Trichlorohydrate, Aluminum Zirconium Trichlorohydrex GLY, Aluminum Zirconium Tetrachlorohydrate, Aluminum Zirconium Tetrachlorohydrex GLY, Aluminum Zirconium Tetrachlorohydrex PEG, Aluminum Zirconium Tetrachlorohydrex PG, Aluminum Zirconium Pentachlorohydrat, Aluminum Zirconium Pe ntachlorohydrex GLY, Aluminum Zirconium Octachlorohydrate, Aluminum Zirconium Octachlorohydrex GLY, Ammonium Alum, Ammonium Silver Zinc Aluminum Silicate, Calcium Aluminum Borosilicate, Cobalt Aluminum Oxide, Magnesium / Aluminum / Hydroxide / Carbonate, Magnesium Aluminum Silicate, Magnesium / Aluminum / Zinc / Hydroxide / Carbonate , Potassium Alum, Potassium Aluminum Polyacrylate, Silver Magnesium Aluminum Phosphate, Sodium Alum, Sodium Aluminate, Sodium Aluminum Chlorohydroxy Lactate, Sodium / Aluminum Hydroxide / Oxalate / Sulfate, Sodium / Aluminum / Iron Hydroxide / Oxalate / Sulfate, Sodium / Aluminum / Iron / Sulfate / Citrate / hydroxides, Sodium / Aluminum / Iron / Sulfate / oxalate / hydroxides,
Sodium / Aluminum / Iron / Sulfate / Tartarate / Hydroxide, Sodium Aluminum Lactate, Sodium Phosphorus / Zinc / Calcium / Silicon / Aluminum / Silver Oxides, Sodium Potassium Aluminum Silicate, Sodium Silicoaluminate, Sodium Silver Aluminum Silicate, Tromethamine Magnesium Aluminum Silicate and Alum, especially aluminum chlorohydrate.
In connection with the present invention, the term “aluminum chlorohydrate” means the salts of the general empirical formula Aln Cl(3n-m ) (OH)m , in particular Al2 Cl (OH)5 .
Suitable zirconium salts are selected from the in
Geeignete Deo-Wirkstoffe sind ausgewählt aus der Gruppe umfassend, bevorzugt bestehend aus den in
Erfindungsgemäß bevorzugt ist das Zink-Salz ausgewählt aus der Gruppe der Zink-Salze der Essigsäure, Milchsäure, Oxalsäure, Bernsteinsäure, Fumarsäure, Maleinsäure, Ricinolsäure und/oder Citronensäure gewählt werden.Suitable deodorant active ingredients are selected from the group comprising, preferably consisting of the in
According to the invention, the zinc salt is preferably selected from the group of the zinc salts of acetic acid, lactic acid, oxalic acid, succinic acid, fumaric acid, maleic acid, ricinoleic acid and / or citric acid.
Die erfindungsgemäßen Zusammensetzungen stabilisieren insbesondere Emulsionen, so dass eine erfindungsgemäß bevorzugte Zusammensetzung dadurch gekennzeichnet ist, dass sie eine Emulsion, insbesondere eine Öl-in-Wasser-Emulsion ist.
Erfindungsgemäß bevorzugte Emulsion enthalten bezogen auf die Gesamtemulsion von 0,1 Gew.-% bis 60,0 Gew.-%, bevorzugt von 4,0 Gew.-% bis 30,0 Gew.-%, besonders bevorzugt von 5,0 Gew.-% bis 20,0 Gew.-%, mindestens ein Öl, insbesondere ein kosmetisches Öl.
Geeignete kosmetische Öle sind beispielsweise in
Zur guten Emulsionsstabilität ist es bevorzugt, dass die erfindungsgemäßen Emulsionen bezogen auf die Gesamtemulsion von 0,1 Gew.-% bis 15,0 Gew.-%, bevorzugt von 0,5 Gew.-% bis 10,0 Gew.-%, besonders bevorzugt von 1,0 Gew.-% bis 7,0 Gew.-%, mindestens eines Emulgators enthalten.
Bevorzugt enthaltene Emulgatoren sind insbesondere Öl-in-Wasser-Emulgatoren, insbesondere in
Emulsions preferred according to the invention contain, based on the total emulsion, from 0.1% by weight to 60.0% by weight, preferably from 4.0% by weight to 30.0% by weight, particularly preferably from 5.0% by weight .-% to 20.0 wt .-%, at least one oil, in particular a cosmetic oil.
Suitable cosmetic oils are for example in
For good emulsion stability, it is preferred that the emulsions according to the invention, based on the total emulsion, from 0.1% by weight to 15.0% by weight, preferably from 0.5% by weight to 10.0% by weight, particularly preferably from 1.0% by weight to 7.0% by weight, contain at least one emulsifier.
Emulsifiers preferably contained are in particular oil-in-water emulsifiers, in particular in
Die erfindungsgemäßen Zusammensetzungen stabilisieren auch sonst schwierige Formulierungen, die eine niedrige Viskosität aufweisen, somit ist eine erfindungsgemäß bevorzugte Zusammensetzung dadurch gekennzeichnet, dass sie eine Viskosität in einem Bereich von 500 bis 20000, bevorzugt von 1500 bis 10000 mPas, aufweist, wobei die Viskosität bei 25 °C mit Brookfield RVT, Spindel 4, 5 UpM, gemessen wird.The compositions according to the invention also stabilize otherwise difficult formulations which have a low viscosity, so a composition preferred according to the invention is characterized in that it has a viscosity in a range from 500 to 20,000, preferably from 1,500 to 10,000 mPas, the viscosity at 25 ° C with Brookfield RVT, spindle 4, 5 rpm.
Insbesondere sind Zusammensetzungen bevorzugt, die im Wesentlichen polyglycoletherfrei und im Wesentlichen frei von alkoxylierten Verbindungen sind. Unter dem Begriff "im Wesentlichen frei von alkoxylierten Verbindungen" und "im Wesentlichen polyglycoletherfrei" im Zusammenhang mit der vorliegenden Erfindung ist zu verstehen, dass die Zusammensetzungen, mit gegebenenfalls der erfindungsgemäß enthaltenen Komponente B) als Ausnahme, keine nennenswerten Mengen an alkoxylierten oder polyglycolether enthaltende Verbindungen aufweist, die eine oberflächenaktive Wirkung ausüben. Insbesondere ist hierunter zu verstehen, dass diese Verbindungen in Mengen von kleiner 1 Gew.-%, bevorzugt von kleiner 0,1 Gew.-%, besonders bevorzugt von kleiner 0,01 Gew.-% bezogen auf die Gesamtzusammensetzung, insbesondere keine nachweisbaren Mengen, enthalten sind.In particular, compositions are preferred which are essentially free of polyglycol ether and essentially free of alkoxylated compounds. The term “essentially free of alkoxylated compounds” and “essentially free of polyglycol ether” in connection with the present invention is to be understood to mean that the compositions, with the exception of component B) according to the invention, as an exception, do not contain any appreciable amounts of alkoxylated or polyglycol ether Has compounds that have a surface-active effect. In particular, this means that these compounds in amounts of less than 1% by weight, preferably less than 0.1% by weight, particularly preferably less than 0.01% by weight, based on the total composition, in particular no detectable amounts , are included.
In den nachfolgend aufgeführten Beispielen wird die vorliegende Erfindung beispielhaft beschrieben, ohne dass die Erfindung, deren Anwendungsbreite sich aus der gesamten Beschreibung und den Ansprüchen ergibt, auf die in den Beispielen genannten Ausführungsformen beschränkt sein soll.In the examples listed below, the present invention is described by way of example, without the invention, the scope of which results from the entire description and the claims, being restricted to the embodiments mentioned in the examples.
Ein Gemisch aus Glycerin (92 g, 1.0 mol), Behensäure (234.6 g, 0.69 mol) und Ca(OH)2 (0.06 g) wurde innerhalb von 3 h unter Stickstoffeinleitung bis auf 240 °C erhitzt und das Gemisch anschließend so lange bei dieser Temperatur gerührt und das entstehende Wasser kontinuierlich entfernt, bis eine Säurezahl von ≤1.5 erreicht war. Nach Abkühlen auf 90 °C wurde anschließend eine 5%ige Lösung von H3PO4 in Glycerin (2 g) zugegeben und das Reaktionsgemisch wieder auf 240 °C erhitzt. Ab einer Temperatur von ≥100 °C wurde der Druck bei gleichzeitiger Stickstoffeinleitung auf 10 mbar gesenkt und so lange destilliert, bis kein Destillat mehr anfiel. Nach Zugabe eines Filterhilfsmittels wird über einen Filter filtriert.A mixture of glycerol (92 g, 1.0 mol), behenic acid (234.6 g, 0.69 mol) and Ca (OH)2 (0.06 g) was brought up to 240 ° C. in the course of 3 h while introducing nitrogen heated and the mixture was then stirred at this temperature and the water formed was continuously removed until an acid number of ≤1.5 was reached. After cooling to 90 ° C., a 5% solution of H3 PO4 in glycerol (2 g) was then added and the reaction mixture was heated to 240 ° C. again. From a temperature of ≥100 ° C, the pressure was reduced to 10 mbar while simultaneously introducing nitrogen and distilled until no more distillate was obtained. After adding a filter aid, it is filtered through a filter.
Ein Gemisch aus Glycerin (198,3 g, 2,15 mol), Stearinsäure und Palmitinsäure im Verhältnis 1:1 (401.8 g, 1.49 mol) und Ca(OH)2 (0.13 g) wurde innerhalb von 3 h unter Stickstoffeinleitung bis auf 240 °C erhitzt und das Gemisch anschließend so lange bei dieser Temperatur gerührt und das entstehende Wasser kontinuierlich entfernt, bis eine Säurezahl von ≤1.5 erreicht war. Nach Abkühlen auf 90 °C wurde anschließend eine 5%ige Lösung von H3PO4 in Glycerin (4.3 g) zugegeben und das Reaktionsgemisch wieder auf 240 °C erhitzt. Ab einer Temperatur von ≥100 °C wurde der Druck bei gleichzeitiger Stickstoffeinleitung auf 10 mbar gesenkt und so lange destilliert, bis kein Destillat mehr anfiel. Nach Zugabe eines Filterhilfsmittels wird über einen Filter filtriert.A mixture of glycerol (198.3 g, 2.15 mol), stearic acid and palmitic acid in a ratio of 1: 1 (401.8 g, 1.49 mol) and Ca (OH)2 (0.13 g) was stirred up to within 3 h with nitrogen Heated 240 ° C and the mixture was then stirred at this temperature and the water formed was continuously removed until an acid number of ≤1.5 was reached. After cooling to 90 ° C., a 5% solution of H3 PO4 in glycerol (4.3 g) was then added and the reaction mixture was heated again to 240 ° C. From a temperature of ≥100 ° C, the pressure was reduced to 10 mbar while simultaneously introducing nitrogen and distilled until no more distillate was obtained. After adding a filter aid, it is filtered through a filter.
Ein Gemisch aus Glycerin (2102 g, 22,8 mol) und 45%iger wässriger Kalilauge (24,2 g) wurde bei 400 mbar innerhalb von 1 Stunde auf 240 °C erhitzt und das entstehende Wasser kontinuierlich abdestilliert. Sobald das Reaktionsgemisch einen Brechungsindex von ≥1.4830 erreicht hatte, wurde der Druck langsam auf 50 mbar gesenkt und weiter Wasser sowie überschüssiges Glycerin bei 240 °C abdestilliert, bis das verbleibende Gemisch eine Hydroxylzahl von 990 mg KOH/g aufwies.
Ein Gemisch aus dem so erhaltenen Polyglycerin (252,2 g, 0,8 mol) und Stearinsäure und Palmitinsäure im Verhältnis 1:1 (97,8 g, 0,36 mol) wurde innerhalb von 3 h unter Stickstoffeinleitung bis auf 240 °C erhitzt und das Gemisch anschließend so lange bei dieser Temperatur gerührt und das entstehende Wasser kontinuierlich entfernt, bis eine Säurezahl von ≤1.0 erreicht war und das Gemisch bei 240 °C klar und homogen war.A mixture of glycerol (2102 g, 22.8 mol) and 45% aqueous potassium hydroxide solution (24.2 g) was heated at 400 mbar to 240 ° C. within 1 hour and the water formed was distilled off continuously. As soon as the reaction mixture had reached a refractive index of ≥1.4830, the pressure was slowly reduced to 50 mbar and further water and excess glycerol were distilled off at 240 ° C. until the remaining mixture had a hydroxyl number of 990 mg KOH / g.
A mixture of the polyglycerol thus obtained (252.2 g, 0.8 mol) and stearic acid and palmitic acid in a ratio of 1: 1 (97.8 g, 0.36 mol) was brought up to 240 ° C. in the course of 3 h with nitrogen blowing heated and the mixture was then stirred at this temperature and the water formed was continuously removed until an acid number of ≤1.0 was reached and the mixture was clear and homogeneous at 240 ° C.
Ein Gemisch aus kommerziell erhältlichem Polyglycerin-3 (Solvay; 240 g, 1 mol) und Caprylsäure und Caprinsäure im Verhältnis 60:40 (78,8 g, 0,5 mol) wurde innerhalb von 3 h unter Stickstoffeinleitung bis auf 240 °C erhitzt und das Gemisch anschließend so lange bei dieser Temperatur gerührt und das entstehende Wasser kontinuierlich entfernt, bis eine Säurezahl von ≤0.5 erreicht war.A mixture of commercially available polyglycerol-3 (Solvay; 240 g, 1 mol) and caprylic acid and capric acid in a ratio of 60:40 (78.8 g, 0.5 mol) was heated to 240 ° C. in the course of 3 h while introducing nitrogen and the mixture was then stirred at this temperature and the water formed was continuously removed until an acid number of ≤0.5 was reached.
Ein Gemisch aus Estern erhalten wie beschrieben in Vorsynthesebeispiel 1 (22,5 g), in Vorsynthesebeispiel 2 (34,5 g), in Vorsynthesebeispiel 3(88,5 g) und in Vorsynthesebeispiel 4 (4,5 g) wurde auf 80 °C erhitzt und das Gemisch anschließend für 3 h bei dieser Temperatur gerührt..
Der so erhaltene Polyglycerinester weist nach seiner vollständigen Hydrolyse einen Polymerisationsgrad des Polyglycerins von <3 auf.A mixture of esters was obtained as described in pre-synthesis example 1 (22.5 g), in pre-synthesis example 2 (34.5 g), in pre-synthesis example 3 (88.5 g) and in pre-synthesis example 4 (4.5 g) at 80 ° C heated and the mixture was then stirred at this temperature for 3 h.
After complete hydrolysis, the polyglycerol ester thus obtained has a degree of polymerization of the polyglycerol of <3.
Ein Gemisch aus Glycerin (2102 g, 22,8 mol) und 45%iger wässriger Kalilauge (24,2 g) wurde bei 400 mbar innerhalb von 1 Stunde auf 240 °C erhitzt und das entstehende Wasser kontinuierlich abdestilliert. Sobald das Reaktionsgemisch einen Brechungsindex von ≥1.4830 erreicht hatte, wurde der Druck langsam auf 50 mbar gesenkt und weiter Wasser sowie überschüssiges Glycerin bei 240 °C abdestilliert, bis das verbleibende Gemisch eine Hydroxylzahl von 960 mg KOH/g aufwies.
Ein Gemisch aus dem so erhaltenen Polyglycerin (1008,7 g, 2,2 mol) und Stearinsäure und Palmitinsäure im Verhältnis 1:1 (391,3 g, 1,5 mol) wurde innerhalb von 3 h unter Stickstoffeinleitung bis auf 240 °C erhitzt und das Gemisch anschließend so lange bei dieser Temperatur gerührt und das entstehende Wasser kontinuierlich entfernt, bis eine Säurezahl von ≤1.0 erreicht war und das Gemisch bei 240 °C klar und homogen war.A mixture of glycerol (2102 g, 22.8 mol) and 45% aqueous potassium hydroxide solution (24.2 g) was heated at 400 mbar to 240 ° C. within 1 hour and the water formed was distilled off continuously. As soon as the reaction mixture had a refractive index of ≥1.4830, the pressure was slowly reduced to 50 mbar and further water and excess glycerol were distilled off at 240 ° C. until the remaining mixture had a hydroxyl number of 960 mg KOH / g.
A mixture of the polyglycerol thus obtained (1008.7 g, 2.2 mol) and stearic acid and palmitic acid in a ratio of 1: 1 (391.3 g, 1.5 mol) was brought up to 240 ° C. in the course of 3 h with nitrogen blowing heated and the mixture was then stirred at this temperature and the water formed was continuously removed until an acid number of ≤1.0 was reached and the mixture was clear and homogeneous at 240 ° C.
Ein Gemisch aus Estern erhalten wie beschrieben in Vorsynthesebeispiel 1 (18,75 g), in Vorsynthesebeispiel 2 (32,25 g), in Vorsynthesebeispiel 5(94,5 g) und in Vorsynthesebeispiel 4 (4,5 g) wurde auf 80 °C erhitzt und das Gemisch anschließend für 3 h bei dieser Temperatur gerührt..
Der so erhaltene Polyglycerinester weist nach seiner vollständigen Hydrolyse einen Polymerisationsgrad des Polyglycerins von ca. 3,9 auf.A mixture of esters was obtained as described in pre-synthesis example 1 (18.75 g), in pre-synthesis example 2 (32.25 g), in pre-synthesis example 5 (94.5 g) and in pre-synthesis example 4 (4.5 g) at 80 ° C heated and the mixture was then stirred at this temperature for 3 h.
After complete hydrolysis, the polyglycerol ester thus obtained has a degree of polymerization of the polyglycerol of approximately 3.9.
Ein Gemisch aus Glycerin (2102 g, 22,8 mol) und 45%iger wässriger Kalilauge (24,2 g) wurde bei 400 mbar innerhalb von 1 Stunde auf 240 °C erhitzt und das entstehende Wasser kontinuierlich abdestilliert. Sobald das Reaktionsgemisch einen Brechungsindex von ≥1.4830 erreicht hatte, wurde der Druck langsam auf 50 mbar gesenkt und weiter Wasser sowie überschüssiges Glycerin bei 240 °C abdestilliert, bis das verbleibende Gemisch eine Hydroxylzahl von 875 mg KOH/g aufwies.
Ein Gemisch aus dem so erhaltenen Polyglycerin (252,2 g, 0,33 mol) und Stearinsäure und Palmitinsäure im Verhältnis 1:1 (97,8 g, 0,36 mol) wurde innerhalb von 3 h unter Stickstoffeinleitung bis auf 240 °C erhitzt und das Gemisch anschließend so lange bei dieser Temperatur gerührt und das entstehende Wasser kontinuierlich entfernt, bis eine Säurezahl von ≤1.0 erreicht war und das Gemisch bei 240 °C klar und homogen war.A mixture of glycerol (2102 g, 22.8 mol) and 45% aqueous potassium hydroxide solution (24.2 g) was heated at 400 mbar to 240 ° C. within 1 hour and the water formed was distilled off continuously. As soon as the reaction mixture had reached a refractive index of ≥ 1.4830, the pressure was slowly reduced to 50 mbar and water and excess glycerol were further distilled off at 240 ° C. until the remaining mixture had a hydroxyl number of 875 mg KOH / g.
A mixture of the polyglycerol thus obtained (252.2 g, 0.33 mol) and stearic acid and palmitic acid in a ratio of 1: 1 (97.8 g, 0.36 mol) was brought up to 240 ° C. in the course of 3 h with nitrogen blowing heated and the mixture was then stirred at this temperature and the water formed was continuously removed until an acid number of ≤1.0 was reached and the mixture was clear and homogeneous at 240 ° C.
Ein Polyglycerin erhalten wie beschrieben in Beispiel 5a (240 g; 0,32 mol) und Caprylsäure und Caprinsäure im Verhältnis 60:40 (78,8 g, 0,5 mol) wurde innerhalb von 3 h unter Stickstoffeinleitung bis auf 240 °C erhitzt und das Gemisch anschließend so lange bei dieser Temperatur gerührt und das entstehende Wasser kontinuierlich entfernt, bis eine Säurezahl von ≤1.0 erreicht war.A polyglycerol obtained as described in Example 5a (240 g; 0.32 mol) and caprylic acid and capric acid in a ratio of 60:40 (78.8 g, 0.5 mol) were heated to 240 ° C. in the course of 3 h while introducing nitrogen and then the mixture stirred at this temperature and the water formed was continuously removed until an acid number of ≤1.0 was reached.
Ein Gemisch aus Estern erhalten wie beschrieben in Vorsynthesebeispiel 1 (18,8 g), in Vorsynthesebeispiel 2 (32,7 g), in Vorsynthesebeispiel 6 (93,8 g) und in Vorsynthesebeispiel 7(4,7 g) wurde auf 80 °C erhitzt und das Gemisch anschließend für 3 h bei dieser Temperatur gerührt.
Der so erhaltene Polyglycerinester weist nach seiner vollständigen Hydrolyse einen Polymerisationsgrad des Polyglycerins von ca. 4,5 auf.A mixture of esters was obtained as described in pre-synthesis example 1 (18.8 g), in pre-synthesis example 2 (32.7 g), in pre-synthesis example 6 (93.8 g) and in pre-synthesis example 7 (4.7 g) C heated and the mixture was then stirred at this temperature for 3 h.
After complete hydrolysis, the polyglycerol ester thus obtained has a degree of polymerization of the polyglycerol of approximately 4.5.
Ein Gemisch aus Glycerin (2102 g, 22,8 mol) und 45%iger wässriger Kalilauge (24,2 g) wurde bei 400 mbar innerhalb von 1 Stunde auf 240 °C erhitzt und das entstehende Wasser kontinuierlich abdestilliert. Sobald das Reaktionsgemisch einen Brechungsindex von ≥1.4830 erreicht hatte, wurde der Druck langsam auf 50 mbar gesenkt und weiter Wasser sowie überschüssiges Glycerin bei 240 °C abdestilliert, bis das verbleibende Gemisch eine Hydroxylzahl von 924 mg KOH/g aufwies.
Ein Gemisch aus dem so erhaltenen Polyglycerin (231,9 g, 0,296 mol) und Stearinsäure und Palmitinsäure im Verhältnis 1:1 (85,42 g, 0,32 mol) und Caprylsäure und Caprinsäure im Verhältnis 60:40 (3,82 g, 0,025 mol) wurde innerhalb von 3 h unter Stickstoffeinleitung bis auf 240 °C erhitzt und das Gemisch anschließend so lange bei dieser Temperatur gerührt und das entstehende Wasser kontinuierlich entfernt, bis eine Säurezahl von ≤1.0 erreicht war und das Gemisch bei 240 °C klar und homogen war.A mixture of glycerol (2102 g, 22.8 mol) and 45% aqueous potassium hydroxide solution (24.2 g) was heated at 400 mbar to 240 ° C. within 1 hour and the water formed was distilled off continuously. As soon as the reaction mixture had reached a refractive index of ≥1.4830, the pressure was slowly reduced to 50 mbar and water and excess glycerol were further distilled off at 240 ° C. until the remaining mixture had a hydroxyl number of 924 mg KOH / g.
A mixture of the polyglycerol thus obtained (231.9 g, 0.296 mol) and stearic acid and palmitic acid in a ratio of 1: 1 (85.42 g, 0.32 mol) and caprylic acid and capric acid in a ratio of 60:40 (3.82 g , 0.025 mol) was heated to 240 ° C. in the course of 3 hours with nitrogen injection and the mixture was then stirred at this temperature and the water formed was continuously removed until an acid number of ≤1.0 was reached and the mixture was clear at 240 ° C. and was homogeneous.
Ein Gemisch aus Estern erhalten wie beschrieben in Vorsynthesebeispiel 1 (18,75 g), in Vorsynthesebeispiel 2 (33,75 g) und in Vorsynthesebeispiel 8(97,5 g) wurde auf 80 °C erhitzt und das Gemisch anschließend für 3 h bei dieser Temperatur gerührt. Der so erhaltene Polyglycerinester weist nach seiner vollständigen Hydrolyse einen Polymerisationsgrad des Polyglycerins von ca. 3,6 auf.A mixture of esters obtained as described in pre-synthesis example 1 (18.75 g), in pre-synthesis example 2 (33.75 g) and in pre-synthesis example 8 (97.5 g) was heated to 80 ° C. and the mixture was then stirred for 3 hours this temperature stirred. After complete hydrolysis, the polyglycerol ester thus obtained has a degree of polymerization of the polyglycerol of approximately 3.6.
Ein Gemisch aus Glycerin (2102 g, 22,8 mol) und 45%iger wässriger Kalilauge (24,2 g) wurde bei 400 mbar innerhalb von 1 Stunde auf 240 °C erhitzt und das entstehende Wasser kontinuierlich abdestilliert. Sobald das Reaktionsgemisch einen Brechungsindex von ≥1.4830 erreicht hatte, wurde der Druck langsam auf 50 mbar gesenkt und weiter Wasser sowie überschüssiges Glycerin bei 240 °C abdestilliert, bis das verbleibende Gemisch eine Hydroxylzahl von 884 mg KOH/g aufwies.
Ein Gemisch aus dem so erhaltenen Polyglycerin (243,5 g, 0,32 mol) und Stearinsäure und Palmitinsäure im Verhältnis 1:1 (85,42 g, 0,32 mol) und Caprylsäure und Caprinsäure im Verhältnis 60:40 (3,82 g, 0,025 mol) wurde innerhalb von 3 h unter Stickstoffeinleitung bis auf 240 °C erhitzt und das Gemisch anschließend so lange bei dieser Temperatur gerührt und das entstehende Wasser kontinuierlich entfernt, bis eine Säurezahl von ≤1.0 erreicht war und das Gemisch bei 240 °C klar und homogen war.A mixture of glycerol (2102 g, 22.8 mol) and 45% aqueous potassium hydroxide solution (24.2 g) was heated at 400 mbar to 240 ° C. within 1 hour and the water formed was distilled off continuously. As soon as the reaction mixture had reached a refractive index of ≥1.4830, the pressure was slowly reduced to 50 mbar and further water and excess glycerol were distilled off at 240 ° C. until the remaining mixture had a hydroxyl number of 884 mg KOH / g.
A mixture of the polyglycerol thus obtained (243.5 g, 0.32 mol) and stearic acid and palmitic acid in a ratio of 1: 1 (85.42 g, 0.32 mol) and caprylic acid and capric acid in a ratio of 60:40 (3, 82 g, 0.025 mol) was heated to 240 ° C. in the course of 3 hours while introducing nitrogen and the mixture was then stirred at this temperature and the water formed was continuously removed until an acid number of ≤1.0 was reached and the mixture at 240 ° C was clear and homogeneous.
Ein Gemisch aus Estern erhalten wie beschrieben in Vorsynthesebeispiel 1 (18,75 g), in Vorsynthesebeispiel 2 (33,75 g) und in Vorsynthesebeispiel 8(97,5 g) wurde auf 80 °C erhitzt und das Gemisch anschließend für 3 h bei dieser Temperatur gerührt. Der so erhaltene Polyglycerinester weist nach seiner vollständigen Hydrolyse einen Polymerisationsgrad des Polyglycerins von ca. 3,8 auf.A mixture of esters obtained as described in pre-synthesis example 1 (18.75 g), in pre-synthesis example 2 (33.75 g) and in pre-synthesis example 8 (97.5 g) was heated to 80 ° C. and the mixture was then stirred for 3 hours this temperature stirred. After complete hydrolysis, the polyglycerol ester thus obtained has a degree of polymerization of the polyglycerol of approximately 3.8.
Alle Konzentrationen in den Anwendungsbeispielen sind in Gewichtsprozent angegeben. Zur Herstellung der Emulsionen wurden dem Fachmann bekannte übliche Homogenisierverfahren eingesetzt.
Die Herstellung der Emulsionen erfolgte daher typischerweise so, dass Öl- und Wasserphase auf 70 - 75°C erwärmt wurden. Anschließend wurde entweder die Ölphase in die Wasserphase eingerührt oder Öl- und Wasserphase ohne Rühren zusammengegeben. Anschließend wurde mit einem geeigneten Homogenisator (z.B. Ultra Turrax) für ca. 1-2 Minuten homogenisiert.
Stabilisierende Polymere wurden entweder als Bestandteil der Ölphase (z.B. Guarderivate) oder als wässrige Suspension (z.B. Cellulosederivate) bei Temperaturen von 50 - 60°C in die Emulsion eingerührt. Anschließend wurde kurz homogenisiert. Zugabe weiterer Inhaltsstoffe (z.B. Konservierungsmittel, Wirkstoffe) erfolgte bevorzugt bei 40°C. Falls die Rezepturen mit organischen Säuren konserviert wurden, wurde der pH-Wert der Emulsionen auf ca. 5 eingestellt.All concentrations in the application examples are given in percent by weight. Conventional homogenization processes known to those skilled in the art were used to prepare the emulsions.
The emulsions were therefore typically prepared by heating the oil and water phases to 70-75 ° C. The oil phase was then either stirred into the water phase or the oil and water phases were combined without stirring. The mixture was then homogenized with a suitable homogenizer (eg Ultra Turrax) for approx. 1-2 minutes.
Stabilizing polymers were either stirred into the emulsion as a component of the oil phase (eg guar derivatives) or as an aqueous suspension (eg cellulose derivatives) at temperatures of 50 - 60 ° C. The mixture was then briefly homogenized. Additional ingredients (eg preservatives, active ingredients) were preferably added at 40 ° C. If the formulations were preserved with organic acids, the pH of the emulsions was adjusted to approx. 5.
Diese Versuche zeigen, dass die erfindungsgemäßen Emulgatoren Vorteile in Bezug auf Emulsionsstabilität aufweisen. Als Repräsentanten für PEG-freie O/W Emulgator wurden dabei die Kombination aus Methyglucose Sesquistearat / Polyglyceryl-4 Laurat sowie Polyglyceryl-4 Laurate/Succinate (and) Aqua gewählt.
Zur Überprüfung der Lagerstabilität der Emulsionen wurden diese drei Monate bei Raumtemperatur und 40°C gelagert. Zur Überprüfung der Kältestabilität wurde außerdem ein Monat lang bei -5°C gelagert und drei Gefrier-Tau-Zyklen von 25°C/- 15°C/25°C durchgeführt. Deutliche Veränderungen im Erscheinungsbild oder der Konsistenz sowie insbesondere Öl- oder Wasserabscheidungen wurden als Kriterien für Instabilität gewichtet.
2) TEGO Care PL 4 (Evonik Industries AG)
29) Polyglycerinester entsprechend Synthesebeispiel 1 in
30) ESAFLOR HDR (Lamberti S.p.A.)
3) NatraGem E145 (Croda Int. Plc)
4) ESAFLOR HM 22 (Lamberti S.p.A.)
5) Natrosol 250 HHR (Ashland Specialty Ingredients)
6) TEGOSOFT AC (Evonik Industries AG)
7) Locron LIC (Clariant AG)
8) Microcare MEM (Thor)
10) TEGODEO PY 88 G (Evonik Industries AG)
11) Rokonsal BSB-N (Ashland Specialty Ingredients)
To check the storage stability of the emulsions, they were stored at room temperature and 40 ° C. for three months. To check the cold stability, storage was also carried out at -5 ° C for one month and three freeze-thaw cycles of 25 ° C / - 15 ° C / 25 ° C were carried out. Significant changes in appearance or consistency, and in particular oil or water deposits, were weighted as criteria for instability.
2) TEGO Care PL 4 (Evonik Industries AG)
29) polyglycerol esters according to synthesis example 1 in
30) ESAFLOR HDR (Lamberti SpA)
3) NatraGem E145 (Croda Int.Plc)
4) ESAFLOR HM 22 (Lamberti SpA)
5) Natrosol 250 HHR (Ashland Specialty Ingredients)
6) TEGOSOFT AC (Evonik Industries AG)
7) Locron LIC (Clariant AG)
8) Microcare MEM (Thor)
10) TEGODEO PY 88 G (Evonik Industries AG)
11) Rokonsal BSB-N (Ashland Specialty Ingredients)
In allen drei Vergleichsformulierungen aus dem Anwendungsbereich AP/Deo- bzw. Deo-Roll-on, welche verschiedene Wirkstoffe enthalten, erlauben die erfindungsgemäßen Emulgatoren die Formulierung einer stabilen Emulsion, wohingegen der nicht erfindungsgemäße Emulgator und die Repräsentanten des Stand der Technik keine stabile Emulsion ermöglichen. Die Verwendung von nicht erfindungsgemäß modifiziertem Guar führt ebenfalls zu nicht lagerstabilen Emulsionen.In all three comparative formulations from the AP / deodorant or deodorant roll-on area of application, which contain different active ingredients, the emulsifiers according to the invention allow the formulation of a stable emulsion, whereas the emulsifier not according to the invention and the representatives of the prior art do not enable a stable emulsion. The use of guar not modified according to the invention likewise leads to emulsions which are not stable in storage.
Formulierungen 1-2 und 1-9 wurden hinsichtlich ihrer Ausbildungsfähigkeit einer Fließgrenze untersucht. Die Messungen wurden mit einem Rheometer von Anton Paar, Modell MCR 301, Platte - Platte (40 mm) Geometrie mit einem Spalt von 1 mm bei einer Temperatur von 25°C und 1 bar Druck durchgeführt. Bestimmt wurden Speichermodul und Verlustmodul für die nach erfindungsgemäßer Rezeptur 1-2 bzw. nicht erfindungsgemäßer Rezeptur 1-9 hergestellten Emulsionen. Die Proben wurden bei konstanter Belastung von 0,20 Pa über den Frequenzbereich von 0,005 bis 90 Hz vermessen. Die rheologische Fließgrenze ist dadurch definiert, dass im vermessenen Frequenzbereich das Speichermodul (G') stets höhere Werte aufweist als das Verlustmodul (G") (siehe
Weitere Anwendungsbeispiele außerhalb des AP/Deo Bereichs.
Diese Beispiele zeigen, dass die erfindungsgemäßen Zusammensetzungen in einer Vielzahl kosmetischer Formulierungen eingesetzt werden können.
13) Tinosorb S (BASF SE)
14) Acrylates/C10-30 Alkyl Acrylate Crosspolymer (TEGO Carbomer 341ER, Evonik Industries AG) 20%ig in Phenoxyethyl Caprylate
15) 20 % Phenylbenzimidazole Sulfonic Acid, 8,8% Tris (hydroxymethyl)-aminomethan, demineralisiertes Wasser ad 100%
17) Carbomer (TEGO Carbomer 141, Evonik Industries AG) 20%ig in Ethylhexyl Stearate
18) Euxyl PE 9010 (Schülke & Mayr GmbH)
20) HyaCare (Evonik Industries)
21) HyaCare 50 (Evonik Industries)
22) HyaCare Filler CL (Evonik Industries)
24) Sicovit Gelb 10 E 172 (Rockwood Pigments)
25) Sicovit Rot 30 E 172 (Rockwood Pigments)
26) Sicovit Braun 70 E 172 (Rockwood Pigments)
27) Sicovit Schwarz 80 E 172 (Rockwood Pigments)
28) TEGO Feel Green (Evonik Industries AG)
These examples show that the compositions according to the invention can be used in a large number of cosmetic formulations.
13) Tinosorb S (BASF SE)
14) Acrylates / C10-30 Alkyl Acrylate Crosspolymer (TEGO Carbomer 341ER, Evonik Industries AG) 20% in phenoxyethyl caprylate
15) 20% phenylbenzimidazole sulfonic acid, 8.8% tris (hydroxymethyl) aminomethane, demineralized water ad 100%
17) Carbomer (TEGO Carbomer 141, Evonik Industries AG) 20% in ethylhexyl stearate
18) Euxyl PE 9010 (Schülke & Mayr GmbH)
20) HyaCare (Evonik Industries)
21) HyaCare 50 (Evonik Industries)
22) HyaCare Filler CL (Evonik Industries)
24) Sicovit Yellow 10 E 172 (Rockwood Pigments)
25) Sicovit Red 30 E 172 (Rockwood Pigments)
26) Sicovit Braun 70 E 172 (Rockwood Pigments)
27) Sicovit Black 80 E 172 (Rockwood Pigments)
28) TEGO Feel Green (Evonik Industries AG)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16151443.5AEP3192491B1 (en) | 2016-01-15 | 2016-01-15 | Composition comprising polyglycerol esters and hydroxy-alkyl modified guar |
| US15/380,137US20170202770A1 (en) | 2016-01-15 | 2016-12-15 | Composition comprising polyglycerol esters and hydroxyalkyl-modified guar |
| BR102017000660-3ABR102017000660B1 (en) | 2016-01-15 | 2017-01-12 | COMPOSITION INCLUDING POLYGLYCEROL ESTERS AND GUAR GUM MODIFIED BY HYDROXYALKYL GROUPS |
| CN201710032429.2ACN107028795B (en) | 2016-01-15 | 2017-01-16 | Composition comprising polyglycerol ester and hydroxyalkyl modified guar gum |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16151443.5AEP3192491B1 (en) | 2016-01-15 | 2016-01-15 | Composition comprising polyglycerol esters and hydroxy-alkyl modified guar |
| Publication Number | Publication Date |
|---|---|
| EP3192491A1 EP3192491A1 (en) | 2017-07-19 |
| EP3192491B1true EP3192491B1 (en) | 2020-01-08 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16151443.5AActiveEP3192491B1 (en) | 2016-01-15 | 2016-01-15 | Composition comprising polyglycerol esters and hydroxy-alkyl modified guar |
| Country | Link |
|---|---|
| US (1) | US20170202770A1 (en) |
| EP (1) | EP3192491B1 (en) |
| CN (1) | CN107028795B (en) |
| BR (1) | BR102017000660B1 (en) |
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